Valve drive for an internal combustion engine

Details Valve drive for an internal combustion engine Valve drive for an internal combustion engine

2011-06-21

2011-06-21

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090160, C123S090440, C074S559000

Reexamination Certificate

active

07963261

ABSTRACT:
A drive valve for an internal combustion engine comprising a variable hub profile for a valve having a lever supported on a variable support point by means of a switchable support element which provides possibilities for influencing the hub profile and alternatively and cumulatively, the cam is axially displaced such that various cam paths are active on the lever.

REFERENCES:
patent: 3633554 (1972-01-01), Nakajima
patent: 6901893 (2005-06-01), Gumpher
patent: 41 18 287 (1992-12-01), None
patent: 103 16 990 (2004-10-01), None
patent: 462 853 (1991-12-01), None
patent: 1 503 048 (2005-02-01), None
patent: WO 2004/083611 (2004-09-01), None
patent: WO 2005040562 (2005-05-01), None

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